package com.lky.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.lky.reggie.common.R;
import com.lky.reggie.pojo.Employee;
import com.lky.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

/**
 * @author shkstart
 * @Description
 * @date 2023-01-02-14:21
 */
@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;


    /**
     * 员工登录
     * @param request
     * @param employee
     * @return
     */
    @PostMapping("/login")
        public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee)
        {
            //1、将页面提交的密码password进行MD5加密处理
            String password = employee.getPassword();
             password = DigestUtils.md5DigestAsHex(password.getBytes());

            //2、根据页面提交的username用户名查询数据库
            LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(Employee::getUsername,employee.getUsername());
            Employee emp = employeeService.getOne(queryWrapper);

            //3、如果没有查询到则返回登录失败结果
            if(emp==null)
            {
                return R.error("登录失败");
            }

            //4、密码比对，如果不一致返回登录失败结果
            if(!emp.getPassword().equals(password))
            {
                return R.error("登录失败");
            }

            //5、查看员工状态，如果已为禁用状态，则返回员工以禁用的结果
            if(emp.getStatus()==0)
            {
                return R.error("账号已禁用");
            }

            //6、登录成功，将员id存入session并返回登录成功结果
            request.getSession().setAttribute("employee",emp.getId());

            return R.success(emp);
        }


    /**
     * 员工退出
     * @param request
     * @return
     */
    @PostMapping("/logout")
        public R<String> logout(HttpServletRequest request)
        {
            //清理session中保存的当前登录员工的id
            request.getSession().removeAttribute("employee");
            return R.success("退出成功");
        }

    /**
     * 新增员工
     * @param employee
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee)
    {
        log.info("新增员工信息：{}",employee.toString());

        //设置初始密码需要MD5加密
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

        //获取当前用户的id
//        Long empId = (Long) request.getSession().getAttribute("employee");

//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);

        employeeService.save(employee);
        return R.success("新增员工成功");
    }

    /**
     * 员工的信息的分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> pageR(int page,int pageSize,String name)
    {
        log.info("page={},pageSize={},name={}",page,pageSize,name);
        //构造分页构造器
        Page page1 = new Page(page,pageSize);

        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper<>();

        //添加一个过滤添加
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getUsername,name);
        //添加一个排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(page1,queryWrapper);

        return R.success(page1);
    }

    /**
     * 根据id修改员工信息
     * @param employee
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee)
    {
        log.info(employee.toString());

//        Long empId = (Long) request.getSession().getAttribute("employee");
//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    /**
     * 根据id查询员工信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable("id") Long id)
    {
        log.info("根据id查询员工信息");
        Employee employee = employeeService.getById(id);
        if (employee!=null)
        {
            return R.success(employee);

        }
        return R.error("没有查询对应的员工信息");
    }

}
